CVE-2023-39326 Affecting aws-ebs-csi-driver-1.18 package, versions <1.18.0-r10
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published16 Feb 2024
- disclosed6 Dec 2023
Introduced: 6 Dec 2023
CVE-2023-39326 (opens in a new tab)How to fix?
Upgrade Chainguard aws-ebs-csi-driver-1.18 to version 1.18.0-r10 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream aws-ebs-csi-driver-1.18 package and not the aws-ebs-csi-driver-1.18 package as distributed by Chainguard.
See How to fix? for Chainguard relevant fixed versions and status.
A malicious HTTP sender can use chunk extensions to cause a receiver reading from a request or response body to read many more bytes from the network than are in the body. A malicious HTTP client can further exploit this to cause a server to automatically read a large amount of data (up to about 1GiB) when a handler fails to read the entire body of a request. Chunk extensions are a little-used HTTP feature which permit including additional metadata in a request or response body sent using the chunked encoding. The net/http chunked encoding reader discards this metadata. A sender can exploit this by inserting a large metadata segment with each byte transferred. The chunk reader now produces an error if the ratio of real body to encoded bytes grows too small.